| Document And Entity Information | Sep. 10, 2021 |
| Document Information [Line Items] | |
| Entity, Registrant Name | NewLake Capital Partners, Inc. |
| Document, Type | 8-K |
| Document, Period End Date | Sep. 10, 2021 |
| Entity, Incorporation, State or Country Code | MD |
| Entity, File Number | 000-56327 |
| Entity, Tax Identification Number | 83-4400045 |
| Entity, Address, Address Line One | 27 Pine Street |
| Entity, Address, Address Line Two | Suite 50 |
| Entity, Address, City or Town | New Canaan |
| Entity, Address, State or Province | CT |
| Entity, Address, Postal Zip Code | 06840 |
| City Area Code | 203 |
| Local Phone Number | 594-1402 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity, Emerging Growth Company | true |
| Entity, Ex Transition Period | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001854964 |
